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authorNicholas Bellinger2016-10-31 01:30:08 +0100
committerNicholas Bellinger2017-03-31 05:34:58 +0200
commita4467018c2a7228f4ef58051f0511bd037bff264 (patch)
treebca6345c174d1f07e79dac7ff362b12ca3775f1a /drivers/target/iscsi/iscsi_target_util.c
parenttarget: Fix unknown fabric callback queue-full errors (diff)
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iscsi-target: Propigate queue_data_in + queue_status errors
This patch changes iscsi-target to propagate iscsit_transport ->iscsit_queue_data_in() and ->iscsit_queue_status() callback errors, back up into target-core. This allows target-core to retry failed iscsit_transport callbacks using internal queue-full logic. Reported-by: Potnuri Bharat Teja <bharat@chelsio.com> Reviewed-by: Potnuri Bharat Teja <bharat@chelsio.com> Tested-by: Potnuri Bharat Teja <bharat@chelsio.com> Cc: Potnuri Bharat Teja <bharat@chelsio.com> Reported-by: Steve Wise <swise@opengridcomputing.com> Cc: Steve Wise <swise@opengridcomputing.com> Cc: Sagi Grimberg <sagi@grimberg.me> Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
Diffstat (limited to 'drivers/target/iscsi/iscsi_target_util.c')
-rw-r--r--drivers/target/iscsi/iscsi_target_util.c5
1 files changed, 3 insertions, 2 deletions
diff --git a/drivers/target/iscsi/iscsi_target_util.c b/drivers/target/iscsi/iscsi_target_util.c
index b4640338f8d8..7d3e2fcc26a0 100644
--- a/drivers/target/iscsi/iscsi_target_util.c
+++ b/drivers/target/iscsi/iscsi_target_util.c
@@ -567,7 +567,7 @@ static void iscsit_remove_cmd_from_immediate_queue(
}
}
-void iscsit_add_cmd_to_response_queue(
+int iscsit_add_cmd_to_response_queue(
struct iscsi_cmd *cmd,
struct iscsi_conn *conn,
u8 state)
@@ -578,7 +578,7 @@ void iscsit_add_cmd_to_response_queue(
if (!qr) {
pr_err("Unable to allocate memory for"
" struct iscsi_queue_req\n");
- return;
+ return -ENOMEM;
}
INIT_LIST_HEAD(&qr->qr_list);
qr->cmd = cmd;
@@ -590,6 +590,7 @@ void iscsit_add_cmd_to_response_queue(
spin_unlock_bh(&conn->response_queue_lock);
wake_up(&conn->queues_wq);
+ return 0;
}
struct iscsi_queue_req *iscsit_get_cmd_from_response_queue(struct iscsi_conn *conn)